520018274920

素因数分解:

$2^3\times 5^1\times {\mathrm{13000456873}}^1$

素因数の和:13000456884

約数の個数: 16

約数和(自身を含む): 1170041118660

約数和(自身を除く): 650022843740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13000456873, 26000913746, 52001827492, 65002284365, 104003654984, 130004568730, 260009137460, 520018274920]

約数ペア:

[(1, 520018274920), (2, 260009137460), (4, 130004568730), (5, 104003654984), (8, 65002284365), (10, 52001827492), (20, 26000913746), (40, 13000456873)]